REVISION OF THE JAPANESE TERMITES. 



79 



Measurements :- 





Length (in m.m.) 



Breadth (in m.m.) 



Body- 



3.5 —6.0 





Head 



1.67—1.96 



0.97—1.16 



Head with mandibles 



2.53—2.86 





Antenna (17-joints) 



1.9 





Mandible (right) 



1.0 





Labrum 



0.4 —0.48 



0.3 —0.38 



Ante-clypeus 



0.07—0.1 



0.3 -0.33 



Post-clypeus 



0.10—0.13 



0.4 —0.47 



Pronotum 



0.43—0.47 



0.8 —1.0 



Mesonotum 



0.4 —0.43 



0.6 —0.7 



Metanotum 



0.33—0.4 



0.73—0.8 



Worker. 

 (Text-fig. 18). 



Colour. — General colour whitish. Head yellowish white, with 

 a brownish spot on each side of the clypeus. Mandibles yellowish 

 brown to dark brown. 



Head. — Nearly as long as broad, circular, summit rounded, 

 sloping down anteriorly. Surface clothed with short brownish 

 hairs. — (Text-fig. 18, a). 



Antenna?. — Eather short, 12-1 7 -jointed. Of the specimen with 

 16 joints: 1st joint large, cylindrical, narrow at the middle; 2nd 

 shorter and narrower ; 3rd almost as long as broad, broad at the 



